An interesting projection that might be fun to consider for cities like Hartford:

The “Community Transit” system would also enable local shipping from business to business with cargo cells, which have the same size openings as a shipping container. As Owsen says, “Cargo cells create incentive for small business peer-to-peer shipping that stimulates local business cooperation.” The windows of each cell feature an organic dye developed by researchers at MIT that concentrates light to the window’s edge, where it is converted to electricity by solar cells bordering the surface. (links in original)